Can bristlenose plecos live with ramshorn snails?

Verdict
Yes

Yes. Bristlenose plecos and ramshorn snails make a good pair. Both are fine at 73–80°F. Plan on at least 30 gal.

Bristlenose plecoBristlenose pleco73–81°F · pH 6.5–7.5 Ramshorn snailRamshorn snail70–80°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–80°Bristlenose pleco 73–81°Ramshorn snail 70–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Bristlenose pleco 6.5–7.5Ramshorn snail 7–8
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 5 inRamshorn snail · 1 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Bristlenose plecoRamshorn snail
Temperature73–81 °F70–80 °F
pH6.5–7.57–8
Adult size5.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupAlone or in pairsAlone or in pairs
DietHerbivoreOmnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Questions

Can bristlenose plecos live with ramshorn snails?

Yes. Bristlenose plecos and ramshorn snails make a good pair. Both are fine at 73–80°F. Plan on at least 30 gal.

What temperature suits both bristlenose plecos and ramshorn snails?

73–80 °F. Bristlenose plecos need 73–81 °F, ramshorn snails need 70–80 °F.

What size tank do bristlenose plecos and ramshorn snails need together?

At least 30 gal, set by the bristlenose pleco. Add space for each extra fish.